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Applied Mathematics.and Mechanics.Englis. Edition) 2024年第9期45卷 1613-1632页

作者： k.CHANDAN k.k.RTHIk.k.V.NAGARAJA B.C.PRAs.NNAk.MARA R.s.VARUN k.MAR T.MUHAMMAD Amrita s.hool of Artificial Intelligence Amrita Vishwa VidyapeethamBengaluru 560035KarnatakaIndia Department of s.udies.in Mathematics Davangere UniversityDavangere 577002KarnatakaIndia Computational s.ience Lab Amrita School of EngineeringAmrita Vishwa VidyapeethamBengaluru 560035KarnatakaIndia Department of Pure and Applied Mathematics School of Mathematical SciencesSunway UniversityPetaling Jaya 47500Malaysia Department of Mathematics College of ScienceKing Khalid UniversityAbha 61413Saudi Arabia

The heat trans.er through a concave permeable fin is.analyzed by the local thermal non-equilibrium(LTNE)*** governing dimens.onal temperature equations.for the s.lid and fluid phas.s.of the porous.extended s.rface are modeled,and then are nondimens.onalized by s.itable dimens.onles. ***,the obtained nondimens.onal equations.are s.lved by the clique polynomial method(CPM).The effects.of s.veral dimens.onles. parameters.on the fin's.thermal profiles.are s.own by graphical ***,the current s.udy implements.deep neural s.ructures.to s.lve phys.cs.governed coupled equations.and the bes.-s.ited hyperparameters.are attained by comparis.n with various.network.*** res.lts.of the CPM and phys.cs.nformed neural network.PINN)exhibit good agreement,s.gnifying that both methods.effectively s.lve the thermal modeling problem.

关键词： heat trans.er fin porous.fin local thermal non-equilibrium(LTNE)model phys.cs.informed neural network.PINN)

Editorial for the s.ecial Is.ue on Emerging Technology and Advanced Application of Nondes.ructive Detection for Power Equipment

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Chines. Journal of Electrical Engineering 2024年第1期10卷 1-2页

作者： Li J. Mei H. Li s. Tianjin Univers.ty China Ts.nghua s.enzhen International Graduate s.hool China Lanzhou Jiaotong Univers.ty China

The rapid development of clean and renewable energy technologies.repres.nted by wind and s.lar energy,as.well as.the continuous.growth of load demand,have put forward higher requirements.for the s.fe operation of the power *** performance of power equipment bas.d on traditional dielectric materials.is.often limited by various.defects.generated during molding,trans.ortation,as.embly,and operation,which cannot meet the reliability requirements.of power s.s.ems.in the new *** detection is.an es.ential technical method in indus.rial development,which can detect and evaluate the defect and damage s.atus.of in-s.rvice equipment,k.y components.and materials.without damaging the object.

关键词： s.rvice Application operation

5G Res.urce Allocation Us.ng Feature s.lection and Greylag Goos. Optimization Algorithm

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Computers. Materials.& Continua 2024年第7期80卷 1179-1201页

作者： Amel Ali Alhus.an s.k.Towfek Department of Computer s.iences College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Computer s.ience and Intelligent s.s.ems.Res.arch Center BlacksburgVA 24060USA

In the contemporary world of highly efficient technological development,fifth-generation technology(5G)is.s.en as.a vital s.ep forward with theoretical maximum download s.eeds.of up to twenty gigabits.per s.cond(Gbps..As.far as.the current implementations.are concerned,they are at the level of s.ightly below 1 Gbps.but this.allowed a great leap forward from fourth generation technology(4G),as.well as.enabling s.gnificantly reduced latency,mak.ng 5G an abs.lute neces.ity for applications.s.ch as.gaming,virtual conferencing,and other interactive electronic *** of this.change are not limited to connectivity alone;it urges.operators.to refine their bus.nes. s.rategies.and offers.us.rs.better and improved digital *** es.ential factor is.optimization and the application of artificial intelligence throughout the general arrangement of intricate and detailed 5G *** Binary Greylag Goos. Optimization(bGGO)to achieve a s.gnificant reduction in the feature s.t while maintaining or improving model performance,leading to more efficient and effective 5G network.management,and Greylag Goos. Optimization(GGO)increas.s.the efficiency of the machine ***,the model performs.and yields.more accurate *** work.propos.s.a new method to s.hedule the res.urces.in the next generation,5G,bas.d on a feature s.lection us.ng GGO and a regres.ion model that is.an ens.mble of k.Neares. Neighbors.k.N),Gradient Boos.ing,and Extra Trees.*** ens.mble model s.ows.better prediction performance with the coefficient of determination R s.uared value equal *** propos.d framework.is.s.pported by s.veral s.atis.ical analys.s.s.ch as.theWilcoxon s.gned-rank.*** of the benefits.of this.s.udy are the introduction of new efficient optimization algorithms.the s.lection of features.and more reliable ens.mble models.which improve the efficiency of 5G technology.

关键词： Optimization ens.mble learning 5G technology artificial intelligence greylag goos. optimization ANOVA tes.

Predictive active control of building s.ructures.us.ng LQR and artificial intelligence

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Earthquak. Engineering and Engineering Vibration 2024年第2期23卷 489-502页

作者： Nirmal s.Mehta Vis.is.t Bhaiya k.A.Patel Ehs.n Noroozinejad Fars.ngi Department of Civil Engineering SVNIT SuratGujarat 395007India Urban Trans.ormations.Res.arch Centre Western Sydney UniversityNSWAustralia

This.s.udy pres.nts.a neural network.bas.d model for predicting linear quadratic regulator(LQR)weighting matrices.for achieving a target res.ons. *** on the expected weighting matrices.the LQR algorithm is.us.d to determine the various.res.ons.s.of the *** res.ons.s.are determined by numerically analyzing the governing equation of motion us.ng the s.ate-s.ace *** training a neural network.four input parameters.are cons.dered:the time his.ory of the ground motion,the percentage reduction in lateral dis.lacement,lateral velocity,and lateral acceleration,Output parameters.are LQR weighting *** s.udy the effectivenes. of an LQR-bas.d neural network.LQRNN),the actual percentage reduction in the res.ons.s.obtained from us.ng LQRNN is.compared with the target percentage ***,to inves.igate the efficacy of an active control s.s.em us.ng LQRNN,the controlled res.ons.s.of a s.s.em are compared to the corres.onding uncontrolled *** trained neural network.effectively predicts.weighting parameters.that can provide a percentage reduction in dis.lacement,velocity,and acceleration clos. to the target percentage *** on the s.mulation s.udy,it can be concluded that s.gnificant res.ons. reductions.are obs.rved in the active-controlled s.s.em us.ng ***,the LQRNN algorithm can replace conventional LQR control with the us. of an active control s.s.em.

关键词： active control s.s.em linear quadratic regulator artificial neural network. s.ate-s.ace approach res.ons. effectivenes. factor res.lience

Geochemis.ry and depos.tional environment of fuchs.te quartzites.from s.rgur Group,wes.ern Dharwar Craton,India

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Acta Geochimica 2024年第3期43卷 555-570页

作者： C.s.s.ndhuja G.Hars.itha C.Manik.amba k.s.V.s.bramanyam Cs.R(Council of s.ientific and Indus.rial Res.arch)-National Geophys.cal Res.arch Ins.itute(NGRI) Uppal RoadHyderabad 500007India

Mes.-Neoarchean fuchs.te quartzites.are pres.nt in different s.ratigraphic pos.tions.of Dharwar Craton including the oldes.(~3.3 Ga)s.rgur Group of wes.ern Dharwar *** pres.nt s.udy deals.with the petro-graphic and geochemical characteris.ics.of the fuchs.te quartzites.from the Ghattihos.halli belt to evaluate their genes.s.depos.tional s.tting and the enigma involved in the ancient s.dimentation *** major mineral as.emblages.include quartz,fuchs.te,and felds.ars.along with acces.ory k.anite and *** geochemical com-pos.tions.are characterized by high s.O_(2),Al_(2)O_(3),low MgO,CaO,s.rongly enriched Cr(1326–6899 ppm),Ba(1165–3653 ppm),s.(46–210 ppm),V(107–868 ppm)and Zn(11–158 ppm)contents.compared to the upper continental crus.(UCC).The UCC normalized rare earth element(REE)patterns.are characterized by depleted light REE[(La/s.)UCC=0.33–0.95]compared to heavy REE[(Gd/Yb)_(UCC)=0.42–1.65]with cons.icuous.pos.tive Eu-anomalies.Eu/Eu^(*)=1.35–18.27)characteris.ic of hydrothermal s.lutions.evidenced through the interlayered *** overall major and trace element s.s.ematics.reflect a combined mafic-fels.c provenance and s.gges. their depos.tion at a pas.ive continental margin *** comprehens.vefield,petrographic,and geo-chemical s.udies.indicate that thes. quartzites.are infiltrated by Cr-richfluids.releas.d during high-grade metamorphis. of as.ociated ultramafic *** s.rgur and the s.bs.-quent Dharwar orogeny amalgamated divers. lithounits.from different tectonic s.ttings.pos.ibly leading to the releas. of Cr-richfluids.and the formation of fuchs.te quartzite during or after the *** s.g-ges. a pre-exis.ing s.able crus. prior to the s.rgur Group and the link.between orogenic events.and various.mineral depos.ts.in the Dharwar Craton.

关键词： Dharwar Craton Ghattihos.halli Fuchs.te quartzite Provenance Depos.tional s.tting

Propagation of P-and s.waves.in initially s.res.ed gravitating half s.ace

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Applied Mathematics.and Mechanics.Englis. Edition) 2013年第7期34卷 847-860页

作者： s. GUPTA s. k. VIs.WAk.RMA Department of Applied Mathematics Indian School of Mines

The pres.nt paper contributes.in s.udying the phas. velocities.of P- and s.waves.in a half s.ace s.bjected to a compres.ive initial s.res. and gravity field. The dens.ty and acceleration due to gravity vary quadratically along the depth. The dis.ers.on equation is.derived in a clos.d form. It is.s.own that the phas. velocities.depend not only on the initial s.res., gravity, and direction of propagation but als. on the inhomogeneity parameter as.ociated with the dens.ty and acceleration due to gravity. Various.particular cas.s.are obtained, and the res.lts.match with the clas.ical res.lts. Numerical inves.igations.on the phas. velocities.of P- and s.waves.agains. the wave number are made for various.s.ts.of values.of the material parameters. and the res.lts.are illus.rated graphically. The graphical us.r interface model is.developed to generalize the effect.

关键词： P-wave s.wave initial s.res. gravity half s.ace graphical us.r interface

Effect of organic component(tartrate) addition on cerium nitrate's.ability to inhibit corros.on of mild s.eel in NaCl s.lution

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Journal of Rare Earths 2024年第10期42卷 1995-2002页

作者： Minak.0}i k.undal Chhaya s.arma A.k.s.ngh Department of Applied s.ience and Engineering Indian Institute of Technology RoorkeeSaharanpur Campus Department of Pulp and Paper Technology Indian Ins.itute of Technology Roork.e Saharanpur Campus

Cerium tartrate（CeTar）,produced in this.s.udy by precipitating cerium nitrate with potas.ium s.dium tartrate（k.aTar）,was.examined as.a corros.on *** los. tes.s.s.ow inhibition efficiency of 71.7% with Ce（NO3）3and 88.7% with CeTar inhibitor for one-month expos.re to mild s.eel in 7 g/L NaCl *** inhibition efficiency drops.to 28.6% with the fo rmer and remains.around 8 7% with the latter inhibitor after s.x months.of *** res.lts.from electrochemical tes.ing indicate that the inhibition efficiency decreas.s.by adding cerium ***,the cerium tartrate inhibitor demons.rates.a nearly cons.ant inhibition efficiency for up to 30 d,i.e.,≈90%.Electrochemical impedance s.ectros.opy（EIs. performed in thes. cas.s.s.ows.the following res.lts.（ⅰ） with cerium nitrate,a film of iron and cerium oxide,which on prolonged expos.re diminis.es.and（ⅱ） with cerium tartrate,the formation of a bimetallic film（Fe-tartrate-Ce） and a mixture of cerium hydroxide and iro n oxide that protects.s.eel for a longer *** inferences.are bas.d on the analys.s.of s.anning electron micros.opy/energydis.ers.ve X-ray analys.s.s.M/EDAX）,X-ray diffraction（XRD）,Fourier trans.orm infrared s.ectros.opy（FTIR）,X-ray photoelectron（XPs.,and Raman s.ectros.opy res.lts.

关键词： Cerium nitrate Cerium tartrate Corros.on inhibition Inhibitor film characterization Mild s.eel Rare earths

On the exis.ence and s.ability of travers.ble wormhole s.lutions.with novel s.apefunctions.in the framework.of F(R,L_(m))gravity

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Communications.in Theoretical Phys.cs 2024年第5期76卷 114-127页

作者： s.urav Chaudhary Jitendra k.mar s.k.Maurya s.eeti k.roriwal Abdul Aziz Department of Mathematics Central University of HaryanaJant-PaliMahendergarhIndia Department of Mathematical and Phys.cal s.iences College of Arts and ScienceUniversity of NizwaP.O.Box 33Nizwa 616Oman

In this.work.we have explored wormhole(WH)s.lutions.in F(R,L_(m))gravity by as.uming the Morris.Thorne WH metric and F(R,Lm)=R/2+(1+γR)L_(m),whereγis.the free model *** determined the WH s.lutions.by utilizing two newly developed s.ape functions.s.)that s.tis.y all bas.c conditions.for a WH’s.phys.cal *** als. obs.rve that the null energy condition(NEC)behaves.***,for both models.we us. the volume integral quantifier(VIQ)and Tolman-Oppenheimer-Volk.ff(TOV)equation to determine how much exotic matter is.needed near the WH throat and the s.ability of the *** extens.ve detailed dis.us.ions.of the matter components.have been done via graphical *** obtained WH geometries.meet the phys.cally acceptable conditions.for a s.able wormhole.

关键词： energy conditions wormhole exotic matter F(R L_(m))gravity

Inclus.ve quas.elas.ic neutrino-nucleus.s.attering with energy dens.ty functional nuclear models

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Chines. Phys.cs.C 2024年第8期48卷 153-158页

作者： k.s.k.m s.onchul Choi Hana Gil Chang Ho Hyun s.hool of liberal arts.and s.ience korea aerospace universitygoyang 10540korea Center for exotic nuclear s.udies institute for basic sciencedaejeon 34126korea Center for extreme nuclear matters korea universityseoul 02841korea Department of phys.cs.education daegu universitygyeongsan 38453korea

In this.s.udy,we calculated the inclus.ve charged-current neutrino-nucleus.s.attering from ^(40)Ar in the quas.elas.ic *** explore the effect of uncertainties.s.emming from the nuclear s.ructure,we us.d the k.Ds.k.rea-IBs.Daegu-s.k.)nuclear energy dens.ty functional and s.yrme force models.namely s.y4,s.I3,and *** models.were s.lected to have dis.inct behavior in terms.of the dens.ty dependence of the s.mmetry energy and the effective mas. of the *** the charged-current neutrino s.attering,the s.ngle-and double-differential cros. s.ctions.were calculated for various.*** cros. s.ctions.are reported as.a function of the incident neutrino *** theoretical cros. s.ctions.were compared with experimental data,and the roles.of the effective mas. and s.mmetry energy were inves.igated in terms.of charged-current neutrino-nucleus.s.attering.

关键词： energy dens.ty functional neutrino-nucleus.s.attering s.mmetry energy effective mas. of the nucleon

Optimum Profiles.of Endwall Contouring for Enhanced Net Heat Flux Reduction and Aerodynamic Performance

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Journal of Harbin Ins.itute of Technology(New s.ries. 2024年第2期31卷 80-92页

作者： Arjun k.s.Tide P s.Biju N Divis.on of Mechanical Engineering School of EngineeringCochin University of Science&TechnologyKalamassery 682022India

s.cces.fully utilized non-axis.mmetric endwalls.to enhance turbine efficiencies.aerodynamic and turbine inlet temperatures.by controlling the characteris.ics.of the s.condary flow in a blade *** is.accomplis.ed by s.eady-s.ate numerical hydrodynamics.and deep k.owledge of the field of *** of the interaction between mains.ream and purge flow contributing s.pplementary los.es.in the s.age,non-axis.mmetric endwalls.are highly s.s.eptible to the inception of purge flow exit compared to the flat and any advantage rapidly *** conclus.ons.reveal that the s.preme endwall pattern could yield a lowering of the gros. pres.ure los. at the des.gn s.age and is.related to the s.ze of the top-los. location being productively *** has.led to diminis.ed global thermal exchange lowered in the pas.age of the vane *** revers. flow adjacent to the s.ction s.de corner of the endwall is.migrated farther from the vane s.rface,as.the deviated pres.ure s.read on the endwall accelerates.the flow and progres.es.the revers. flow core s.ill *** depleted as.ociation between the tornado-lik. vortex and the corner vortex adjacent to the s.ction s.de corner of the endwall is.the dominant mechanis. of control in the contoured end *** this.publication,we s.ow that the non-axis.mmetric endwall contouring by s.lective numerical s.ape change method at mos. prominent locations.is.advantageous.in lowering the thermal load in turbines.to augment the net heat flux reduction as.well as.the aerodynamic performance us.ng multi-objective optimization.

关键词： endwall contouring turbine vane heat trans.er phantom cooling coolant injection net heat flux reduction aerodynamic performance